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Master Bond adhesives

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Sirmax Dafnestill® AT Polystyrene
Categories: Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes: High impact polystyrene, heat resistant, high stiffness.

Application: Injection Molding

Information provided by Sirmax®
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Physical PropertiesOriginal ValueComments
Density 1.04 g/ccISO 1183
Water Absorption <= 0.10 %ISO 62
Linear Mold Shrinkage 0.0040 - 0.0070 cm/cm
Melt Flow 5.0 g/10 min
@Load 5.00 kg,
Temperature 200 °C		ISO 1133
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell L 40ISO 2039-2
Flexural Strength 45.0 MPa2 mm/min; ISO 178
Flexural Modulus 1900 MPa2 mm/min; ISO 178
Izod Impact, Notched (ISO) 5.00 kJ/m²
@Temperature -30.0 °C		ISO 180/1A
 6.00 kJ/m²
@Temperature 23.0 °C		ISO 180/1A
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 7.00e+15 ohm-cmIEC 60093
Surface Resistance >= 1.50e+15 ohmIEC 60093
Comparative Tracking Index 500 VIEC 60112
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 1.8 MPa (264 psi) 87.0 °CISO 75/Af
Vicat Softening Point 94.0 °CB50; ISO 306
 103 °CA50; ISO 306
Flammability, UL94 HB
@Thickness 3.20 mm
Glow Wire Flammability Index 650 °C
@Thickness 1.00 mm		IEC 60695-2-12
 650 °C
@Thickness 2.00 mm		IEC 60695-2-12
 
Processing PropertiesOriginal ValueComments
Melt Temperature 180 - 220 °CISO 294
Mold Temperature 20.0 - 60.0 °CISO 294

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PSIRMX074 / 281177




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